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判断文件或目录是否存在函数问题请教

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Release： 2016-06-06 20:06:40
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PHP中的判断文件或者目录是否存在的函数
举个例子：file_exists,用这个函数去判断服务器地址中的文件，明明文件存在，路径也没错，但总是返回FALSE，还有我用fopen也打不开对应路径中的文件，请问这个是怎么回事？希望能列举出出现这种情况的多种可能性和解决办法？

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PHP中的判断文件或者目录是否存在的函数
举个例子：file_exists,用这个函数去判断服务器地址中的文件，明明文件存在，路径也没错，但总是返回FALSE，还有我用fopen也打不开对应路径中的文件，请问这个是怎么回事？希望能列举出出现这种情况的多种可能性和解决办法？

出现这种情况原因主要是你的文件路径没写对，也可能是文件所在目录没有授予PHP运行用户读取的权限。另外，你说的去读取服务器地址中文件，file_exists只能操作本地文件，对远程文件不能操作。

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